Answer:
The answer is 52.
Step-by-step explanation:
Subtract 56 by 4. You'll get 52.
Answer:
A) c + CD = 20
B) 6c + 12CD = 192
Multiplying equation A by -6 we get:
A) -6c -6CD = -120
B) 6c + 12 CD = 192
Adding the equations we get
0 + 6 CD = 72
There are 12 CD's and
c + 12 = 20
There are 8 cassettes
Step-by-step explanation:
X=-6
You get all the X to one side, and all the numbers to the other. Then divide. Work is shown in image below.
The absolute value is 18.26